<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像 -->
      <div class="avatar_box">
        <img src="../assets/logo.png" alt="">
      </div>
      <!-- 登录表单 -->
      <el-form ref="loginFormRef" :model="login_form" :rules="loginCheck" class="login_form">
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input v-model="login_form.username" prefix-icon="el-icon-user"></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input v-model="login_form.password" type="password" prefix-icon="el-icon-goods"></el-input>
        </el-form-item>
        <!-- 按钮区域 -->
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetlogin">重置</el-button>
        </el-form-item>

      </el-form>
    </div>
  </div>
</template>
<script>
// import { ElMessage } from 'element-plus'

export default {
  name: 'LoginForm',
  data () {
    return {
      // 表单的绑定对象
      login_form: {
        username: 'admin',
        password: '123456'
      },
      // 表单的规则
      loginCheck: {
        // 用户名是否合法
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        // 密码是否合法
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    resetlogin () {
      // 重置表单  绑定 ref="loginFormRef"  通过 this.$refs.loginFormRef.resetFields()
      // console.log(this.$refs)
      this.$refs.loginFormRef.resetFields()
    },
    login () {
      this.$refs.loginFormRef.validate(async valid => {
        // console.log(valid)
        if (!valid) return
        const { data: res } = await this.$http.post('/login', this.login_form)
        // console.log(result)
        if (res.meta.status !== 200) return this.$message.error('账号或密码错误！')
        this.$message.success('登录成功')
        // console.log(res)
        // 将登录成功的token保存客户端，
        window.sessionStorage.setItem('token', res.data.token)
        this.$router.push('/home')
        // await this.$http.post('/login', this.login_form).then(response => {
        //   console.log(response.data)
        // })
        //   .catch(error => {
        //     console.error(error)
        //   })
      })
    }
  }
}
</script>
<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}

.login_box {
  width: 450px;
  height: 300px;
  background-color: white;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);

  .avatar_box {
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;

    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
}

.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 30px;
  box-sizing: border-box;
}

.btns {
  padding-left: 240px;
}
</style>
